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1.1.06. Data-design divide

  • Left-hand/right-hand divide
  • LHS: Catalog
    • or Meta-data
    • or Intension
    • or Schema
    • i.e. the Design of database
    • Types of data, organisation, constraints
  • RHS: Extension
    • or Snapshot
    • The data itself
    • Information stored in the database
    • Tuples

Database data design divide

‹ 1.1.05. Abstractionup1.1.07. DBMS ›
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